"rollerball" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "roller",
        "3": "ball"
      },
      "expansion": "roller + ball",
      "name": "compound"
    }
  ],
  "etymology_text": "roller + ball",
  "forms": [
    {
      "form": "rollerballs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rollerball (plural rollerballs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "51 49",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "2009 August 30, Laurie Winer, “Keeping Score”, in New York Times",
          "text": "The office is full of rumpled clothes and bad haircuts; it’s an operation at which rollerball pens fall outside the budget limit (Bics for everyone!)",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A kind of ballpoint pen with a spherical nib that uses water-based liquid or gelled ink."
      ],
      "id": "en-rollerball-en-noun-YfeZca5U",
      "links": [
        [
          "ballpoint pen",
          "ballpoint pen"
        ],
        [
          "spherical",
          "spherical"
        ],
        [
          "nib",
          "nib"
        ],
        [
          "ink",
          "ink"
        ]
      ],
      "translations": [
        {
          "_dis1": "100 0",
          "code": "pl",
          "lang": "Polish",
          "sense": "pen",
          "tags": [
            "neuter"
          ],
          "word": "pióro kulkowe"
        }
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Computing",
          "orig": "en:Computing",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "51 49",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A trackball."
      ],
      "id": "en-rollerball-en-noun-w5Gef3VF",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "trackball",
          "trackball"
        ]
      ],
      "raw_glosses": [
        "(computing) A trackball."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "rollerball"
}

{
  "categories": [
    "English compound terms",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "roller",
        "3": "ball"
      },
      "expansion": "roller + ball",
      "name": "compound"
    }
  ],
  "etymology_text": "roller + ball",
  "forms": [
    {
      "form": "rollerballs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rollerball (plural rollerballs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2009 August 30, Laurie Winer, “Keeping Score”, in New York Times",
          "text": "The office is full of rumpled clothes and bad haircuts; it’s an operation at which rollerball pens fall outside the budget limit (Bics for everyone!)",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A kind of ballpoint pen with a spherical nib that uses water-based liquid or gelled ink."
      ],
      "links": [
        [
          "ballpoint pen",
          "ballpoint pen"
        ],
        [
          "spherical",
          "spherical"
        ],
        [
          "nib",
          "nib"
        ],
        [
          "ink",
          "ink"
        ]
      ]
    },
    {
      "categories": [
        "en:Computing"
      ],
      "glosses": [
        "A trackball."
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "trackball",
          "trackball"
        ]
      ],
      "raw_glosses": [
        "(computing) A trackball."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "pen",
      "tags": [
        "neuter"
      ],
      "word": "pióro kulkowe"
    }
  ],
  "word": "rollerball"
}